15243320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 22081480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 647, 760, 1178, 1240, 1294, 2356, 2588, 2945, 3235, 4712, 5176, 5890, 6470, 11780, 12293, 12940, 20057, 23560, 24586, 25880, 40114, 49172, 61465, 80228, 98344, 100285, 122930, 160456, 200570, 245860, 381083, 401140, 491720, 762166, 802280, 1524332, 1905415, 3048664, 3810830, 7621660, 15243320]

約数ペア:

[(1, 15243320), (2, 7621660), (4, 3810830), (5, 3048664), (8, 1905415), (10, 1524332), (19, 802280), (20, 762166), (31, 491720), (38, 401140), (40, 381083), (62, 245860), (76, 200570), (95, 160456), (124, 122930), (152, 100285), (155, 98344), (190, 80228), (248, 61465), (310, 49172), (380, 40114), (589, 25880), (620, 24586), (647, 23560), (760, 20057), (1178, 12940), (1240, 12293), (1294, 11780), (2356, 6470), (2588, 5890), (2945, 5176), (3235, 4712)]